Planets do not emit visible light like stars; they shine in the sky because they reflect sunlight. Exoplanets too reflect starlight, and nobody does it better than LTT9779b. This world reflects 80 ...

We're just weeks away from this interstellar visitor reaching its brightest in Earth's night skies. Will we see it?

Solar system is a collection of various celestial bodies that are held together by the gravitational pull of the sun. Our ...

Since Pluto was relegated to dwarf planet status, almost everyone has agreed that there are eight planets in our solar system ...

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

This type of thermal energy storage, also known as ice batteries, is being added to buildings in the U.S. for its ability to provide cool air without releasing planet-warming emissions.

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

Discover Snapchat Planets, the new Solar System feature on Snapchat+ that ranks your best friends as planets. Learn meanings, ...

The interstellar comet 3I/ATLAS may be out of view of Earth, but orbiters on Mars were able to recently get a look at it.

On October 6 1995, at a scientific meeting in Florence, Italy, two Swiss astronomers made an announcement that would transform our understanding of the universe beyond our solar system. Michel Mayor ...

The Copernican Principle, named in honor of Nicolaus Copernicus (who proposed the heliocentric model of the universe), states that Earth and humans do not occupy a special or privileged place in the ...

Siraj's Planet Y search started about a year ago when he was trying to find out whether the shape of the Kuiper Belt is flat.